12981797088 has 192 divisors, whose sum is σ = 38040532992. Its totient is φ = 3849431040.

The previous prime is 12981797083. The next prime is 12981797107. The reversal of 12981797088 is 88079718921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12981797083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11876670 + ... + 11877762.

It is an arithmetic number, because the mean of its divisors is an integer number (198127776).

Almost surely, 2^12981797088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12981797088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19020266496).

12981797088 is an abundant number, since it is smaller than the sum of its proper divisors (25058735904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12981797088 is a wasteful number, since it uses less digits than its factorization.

12981797088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 60.

The spelling of 12981797088 in words is "twelve billion, nine hundred eighty-one million, seven hundred ninety-seven thousand, eighty-eight".